Noise Levels in Stone Harbor, NJ | Find Quiet Neighborhoods With Our Sound Map

43 dBA
Average noise across Stone Harbor
Quiet suburban street at night
73
Residents above the EPA 55 dBA threshold
20% of Stone Harbor residents
59 dBA
Loudest residential point
Normal conversation an arm’s length away

This map shows modeled outdoor noise across Stone Harbor at 100-meter resolution, combining road, aviation, and rail sources. Green areas measure below 45 dBA. Orange and red exceed the EPA's 55 dBA outdoor threshold linked to long-term health effects. Use the layer toggles to view each source on its own or all together.

Overall
Road
Rail
Aviation
Stone Harbor, NJ Map of Noise Levels in Stone Harbor
Click the map to explore
35 45 55 70 90
Quietest (dBA) Loudest
Colorblind friendly off

What the numbers sound like

  • 30 dBAWhisper
  • 40 dBASoft rainfall
  • 45 dBAQuiet suburban street at night
  • 50 dBAQuiet office
  • 55 dBAEPA outdoor threshold: light traffic 100 ft away
  • 60 dBANormal conversation an arm's length away
  • 65 dBABusy restaurant
  • 70 dBAHighway traffic 50 ft away
  • 80 dBACity bus interior

Population Above the EPA Outdoor Threshold

The EPA's 55 dBA outdoor reference level is a common benchmark for residential noise exposure, especially for activity interference, annoyance, and long-term community noise concerns. About 73 Stone Harbor residents, or 20.3%, live above that level. By land area, 16.6% of Stone Harbor is above 55 dBA.

See how noise in Stone Harbor compares to similar-sized cities.

Noise by Part of Stone Harbor

Average noise levels for Stone Harbor residents, grouped by direction from the center of Stone Harbor. Northern Stone Harbor carries the highest population-weighted average; Southern Stone Harbor carries the lowest. Just 26% of residents in Southern Stone Harbor live in blocks above the EPA's 55 dBA threshold, three-quarters of the share in Northern Stone Harbor.

Central Stone Harbor

42.3 dBA · Quiet
Quiet suburban street at night

3% of people above 55 dBA

QuietLoud

Northern Stone Harbor

47.2 dBA · Mostly quiet
Quiet office

37% of people above 55 dBA

QuietLoud

Southern Stone Harbor

40.1 dBA · Quiet
Soft rainfall

26% of people above 55 dBA

QuietLoud

Northern Stone Harbor sounds about 64% louder than Southern Stone Harbor to the human ear, a 7.1 dBA gap. Every 10 dBA roughly doubles perceived loudness. Within any of these directions, two homes a quarter mile apart can still differ by 10 or more dBA depending on how close they sit to a major highway.

How far back from Cape May County 619 do you need to be?

Cape May County 619 produces an estimated 57 dBA at its loudest centerline points. Noise drops logarithmically with distance, with the exact rate depending on what's between you and the road. Tree cover, walls, terrain, and pavement type all matter. At roughly a quarter mile back, traffic fades into the noise level of a soft rainfall.

At source
57 dBA
Normal conversation an arm’s length away
165 ft
42 dBA
Quiet suburban street at night
330 ft
35 dBA
Soft rainfall
660 ft
35 dBA
Soft rainfall
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall

Calculated from the model's calibrated attenuation formula. About 3% of Stone Harbor sits under tree canopy (much lighter than most cities) and roughly 72% is impervious surface like pavement and rooftops. Both are folded into the per-place decay rate above. Heavier canopy pulls noise down faster with distance; impervious surfaces slow the drop.

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How Noise Is Distributed Across Stone Harbor

The bar chart below shows the share of Stone Harbor residents in each noise band. About 83% of residents live below the EPA's 55 dBA threshold, and roughly 0% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.

How Stone Harbor Compares

Stone Harbor sits at the quieter end of the spectrum. Below: how Stone Harbor's average outdoor noise and share of residents above the EPA threshold compare with Swainton, South Dennis, Avalon, and North Dennis.

Average noise level (dBA)

Stone Harbor's 43.3 dBA pop-weighted average is at the quieter end of the spectrum. New Jersey as a whole averages 49.8 dBA and the U.S. averages 52.0 dBA. Both are lower than Stone Harbor because most of either area is rural land away from major roads.

Share of residents above 55 dBA

About 20.3% of Stone Harbor residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's more than any of its peer group. Measured by land area instead, 16.6% of Stone Harbor's footprint sits above 55 dBA, against a New Jersey average of 25.2% and a national average of 28.1%.

What This Means if You're Moving to Stone Harbor

  • Distance from highways matters more than the neighborhood name. Two homes in the same zip code can differ by 20 dBA if one sits 100 meters from Cape May County 619 and the other 500 meters away. The model captures this at 100-meter resolution, so noise exposure changes block by block.
  • Tree canopy can help reduce modeled noise exposure. Roughly 3% of Stone Harbor is under tree cover (much lighter than most cities), and the dominant land cover is high-intensity developed land. Both are measured from federal USDA Forest Service and USGS satellite imagery at 30-meter resolution. Streets with 60% or higher canopy show 3 to 5 dBA lower noise than comparable streets with bare ground or pavement, which is why the per-place decay rate above already accounts for it.

Sources & Methodology

The BestNeighborhood noise model is calibrated against nearly one million federal ground-truth measurements across four states. Road noise is computed from segment-level federal traffic data and propagated outward using physics-based acoustic decay, with attenuation rates that depend on the surrounding land cover.

Federal datasets used:

FHWA Highway Performance Monitoring System: road geometry, traffic counts, lane configuration
U.S. DoT Bureau of Transportation Statistics National Transportation Noise Map: aviation and rail noise, road calibration ground truth
USGS / MRLC National Land Cover Database: land cover and impervious surface coverage
USDA Forest Service Tree Canopy Cover: vegetation density for sound propagation
U.S. Census Bureau TIGER/Line: block-level geography and population
U.S. EPA Levels Document: 55 dBA outdoor reference level

All inputs are published federal datasets. Block-level noise is computed by combining road, rail, and aviation sound sources in the energy domain, the same physics used in professional environmental noise assessments. Read the full methodology.

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